When someone develops an infection at a hospital or other patient care facility that they did not have prior to treatment, this is referred to as a healthcare-associated (sometimes hospital-acquired) infection (HAI).
Healthcare-associated infections (HAIs) are a global crisis affecting both patients and healthcare workers.
According to the World Health Organization (WHO), at any point in time, 1.4 million people worldwide suffer from infections acquired in hospitals.
A Centers for Disease Control (CDC) report published in March-April 2007 estimated the number of U.S. deaths from healthcare asociated infections in 2002 at 98,987.
The risk of acquiring healthcare-associated infections in developing countries is 2-20 times higher than in developed countries.
Afflicting thousands of patients every year, HAI often leads to lengthening hospitalization, increasing the likelihood of readmission, and adding sizably to the cost of care per patient.
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